nds32: mmc: Support ftsdc010 DM.

Add nds32_mmc to support ftsdc010 dm flow.

Signed-off-by: Rick Chen <rick@andestech.com>
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index 62ce0af..8fbeaa7 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -401,6 +401,18 @@
 	  If you have a board based on such a SoC and with a SD/MMC slot,
 	  say Y or M here.
 
+config MMC_NDS32
+	bool "Andestech SD/MMC controller support"
+	depends on DM_MMC && OF_CONTROL && BLK && FTSDC010
+	help
+	  This enables support for the Andestech SD/MMM controller, which is
+	  based on Faraday IP.
+
+config FTSDC010
+	bool "Ftsdc010 SD/MMC controller Support"
+	help
+	  This SD/MMC controller is present in Andestech SoCs which is based on Faraday IP.
+
 endif
 
 config TEGRA124_MMC_DISABLE_EXT_LOOPBACK